Clarita Perez, at the Sharps Compliance Corp. distribution center in Houston, reaches for an informational booklet to put inside a 2-gallon medical waste container as part of the packaging. The company sells mail-back containers for disposal of items such as syringes.

Clarita Perez, at the Sharps Compliance Corp. distribution center...

Houston-based medical waste company Sharps Compliance Corp. on Wednesday posted a nearly 20 percent revenue increase since the beginning of its fiscal year, reporting growth in almost all of its markets.

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